Page 96 of 287
94Instruments and controlsControlsSteering wheel adjustment
Unlock lever, adjust steering wheel,
then engage lever and ensure it is fully locked.
Do not adjust steering wheel unless
vehicle is stationary and steering
wheel lock has been released.
Steering wheel controls
The menus and functions of the
Driver Information Centre can be
selected via the rotary knob on the left
steering wheel stalk.
Driver Information Centre 3 116.
Infotainment system can be operated
via the steering wheel controls.
Further information is available in the
Infotainment Manual.
Steering wheel paddles
On vehicles with automatic
transmission, gearshifting can be
operated via + or -.
Automatic transmission 3 165.
Manual mode 3 167.
Page 116 of 287

114Instruments and controlsIlluminates temporarilyStart of saturation of the exhaust filter.
Start cleaning process as soon as
possible by driving at a vehicle speed
of at least 60 km/h.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 161.
AdBlue
B flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 100 km and 2400 km.
Flashes yellow
The remaining driving range is
between 0 km and 100 km.
AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start.
AdBlue 3 162.Deflation detection system
q illuminates or flashes yellow.
Illuminates
Tyre pressure loss in one or more wheels. Stop immediately and check
tyre pressure.
Flashes
Fault in system. Consult a workshop.
Deflation detection system 3 238.
Engine oil pressure
T illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
runningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and / or
locking of the drive wheels.
1. Select neutral gear.
2. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
3. Switch off ignition.9 Warning
When the engine is off,
considerably more force is needed
to brake and steer. During an
Autostop the brake servo unit will
still be operational.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel r or 2 illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 204.
Bleeding the diesel fuel system
3 219.
Page 119 of 287
Instruments and controls117
Press button.
Move thumb wheel upwards or
downwards on the steering wheel.
Baselevel instrument cluster
Press F .
Midlevel instrument clusterPress SET 000 .Uplevel instrument cluster
Press 000.
Vehicle and service messages are
popped up in the Driver Information
Centre, if required. Scroll messages
by using the above mentioned
controls or buttons.
Vehicle messages 3 123.
Page 134 of 287
132LightingActivation
Depending on version the high beam
assist can be activated by pressing B once or in the vehicle
personalisation 3 124.
The green control indicator B
illuminates continuously when the
assist is activated, the blue one C
illuminates when high beam is on.
Control indicator B 3 115.
Deactivation Depending on version the high beamassist can be deactivated by pressing B once or in the vehicle
personalisation 3 124.
With high beam on, pull the indicator
lever once to deactivate high beam
assist.
Headlight flash
To activate the headlight flash, pull
lever.
Pulling lever deactivates high beam.
Headlight range adjustment
Manual headlight range
adjustment
To adapt headlight range to the
vehicle load to prevent dazzling: turn thumb wheel X to required position.
0:front seats occupied1:up to five people or partial load2:all seats occupied or driver and
intermediate load3:driver and permissible max. load
Page 136 of 287
134LightingTurn lightsup:right turn lightsdown:left turn lights
A resistance point can be felt when
moving the indicator lever.
Constant flashing is activated when
the indicator lever is being moved
beyond the resistance point. It is
deactivated when the steering wheel
is moved in the opposite direction or
indicator lever is manually moved
back to its neutral position.
To activate three flashes, tap the indicator lever briefly without passing
the resistance point.
Front fog lights
Turn the control wheel once to
activate or deactivate the front fog
light.
Light switch in position AUTO:
switching on front fog lights will switch headlights on automatically.
Rear fog light
Turn the control wheel once to
activate or deactivate the rear fog
light.
Page 137 of 287

Lighting135Turn the control wheel twice to
activate or deactivate the rear fog
light.
Light switch in position AUTO:
switching on rear fog light will switch
headlights on automatically.
Reversing lights The reversing light comes on when
the ignition is on and reverse gear is
selected.
Misted light covers
The inside of the light housing may
mist up briefly in poor, wet and cold weather conditions, in heavy rain orafter washing. The mist disappears
quickly by itself. To help, switch on the headlights.Interior lighting
Instrument panel illumination control
Brightness can be adjusted when the exterior lights are on.
Depending on version the brightness
can be set by pressing and holding
0 or ß until the desired
brightness is obtained or in the
vehicle personalisation 3 124.
Interior lights
During entry and exit of the vehicle,
the front and rear courtesy lights
automatically switch on and then off
after a delay.
Front and rear courtesy light
Operate rocker switch:
;:automatic switching on
and offpress §:onpress 2:off
Page 156 of 287

154Driving and operating0:ignition off: some functions
remain active until key is
removed or driver's door is
opened, provided the ignition was
on previously1:ignition on power mode: ignition
is on, diesel engine is preheating, control indicators illuminate and
most electrical functions are
operable2:engine start: release key after
engine has been started
Steering wheel lock
Remove key from ignition switch and
turn steering wheel until it engages.
9 Danger
Never remove the key from
ignition switch during driving as
this will cause steering wheel lock.
Power button
The electronic key must be inside the
vehicle.
Engine start
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .Ignition on power mode without
starting the engine
Press Start/Stop without operating
clutch or brake pedal. Control
indicators illuminate and most
electrical functions are operable.Engine and ignition off
Press Start/Stop briefly in each mode
or when engine is running and vehicle
is stationary. Some functions remain
active until driver's door is opened,
provided the ignition was on
previously.Emergency shut off during driving
Press Start/Stop for about 3 seconds
3 155. Steering wheel locks as soon
as vehicle is stationary.
Steering wheel lock
The steering wheel lock activates
automatically when:
● The vehicle is stationary.
● The ignition has been switched off.
To release steering wheel lock, open
and close driver's door and switch the ignition on power mode or start the
engine directly.
Page 157 of 287

Driving and operating1559Warning
If the vehicle battery is discharged,
the vehicle must not be towed,
tow-started or jump-started as the
steering wheel lock cannot be
disengaged.
Operation on vehicles with
electronic key system in case of
failure
If either the electronic key fails or the
battery of the electronic key is weak,
a message may be displayed in the
Driver Information Centre.
Hold the electronic key with buttons
outside at the marking on the steering column cover as shown in the
illustration.
Operate the clutch pedal (manual
transmission), the brake pedal and
press Start/Stop .
This option is intended for
emergencies only. Replace the
electronic key battery as soon as
possible 3 24.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 25.Starting the engine
Vehicles with ignition switch
Turn key to position 1 to release the
steering wheel lock.
Manual transmission: operate clutch
and brake pedal.
Automatic transmission: operate
brake pedal and move selector lever
to P or N.
Do not operate accelerator pedal.
Diesel engines: wait until control
indicator z extinguishes.